Feature #33: Enhanced Device Importing

Dynamic device importing. better input parsing and 5 additional import fields.
2014-05-25 16:34:06 +10:00
parent 6a45348bdb
commit e9042f7666
68 changed files with 6775 additions and 3039 deletions
@@ -0,0 +1,68 @@
+using Disco.Data.Repository;
+using Disco.Models.Repository;
+using Disco.Models.Services.Devices.Importing;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+
+namespace Disco.Services.Devices.Importing.Fields
+{
+    internal class DeviceAssetNumberImportField : DeviceImportFieldBase
+    {
+        private string parsedValue;
+        private string previousValue;
+
+        public override DeviceImportFieldTypes FieldType { get { return DeviceImportFieldTypes.DeviceAssetNumber; } }
+
+        public override object RawParsedValue { get { return parsedValue; } }
+        public override string FriendlyValue { get { return parsedValue; } }
+        public override string FriendlyPreviousValue { get { return previousValue; } }
+
+        public override bool Parse(DiscoDataContext Database, IDeviceImportCache Cache, DeviceImportContext Context, int RecordIndex, string DeviceSerialNumber, Device ExistingDevice, Dictionary<DeviceImportFieldTypes, string> Values, string Value)
+        {
+            if (string.IsNullOrWhiteSpace(Value))
+                parsedValue = null;
+            else
+            {
+                parsedValue = Value.Trim();
+                if (parsedValue.Length > 40)
+                    return Error("Cannot be more than 40 characters");
+            }
+
+            if (ExistingDevice == null && parsedValue != null)
+                return Success(EntityState.Added);
+            else if (ExistingDevice != null && ExistingDevice.AssetNumber != parsedValue)
+            {
+                previousValue = ExistingDevice.AssetNumber;
+                return Success(EntityState.Modified);
+            }
+            else
+                return Success(EntityState.Unchanged);
+        }
+
+        public override bool Apply(DiscoDataContext Database, Device Device)
+        {
+            if (this.FieldAction == EntityState.Added ||
+                this.FieldAction == EntityState.Modified)
+            {
+                Device.AssetNumber = this.parsedValue;
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+
+        public override int? GuessHeader(DiscoDataContext Database, DeviceImportContext Context)
+        {
+            // 'asset' in column name
+            var possibleColumns = Context.Header
+                .Select((h, i) => Tuple.Create(h, i))
+                .Where(h => h.Item1.Item2 == DeviceImportFieldTypes.IgnoreColumn && h.Item1.Item1.IndexOf("asset", System.StringComparison.OrdinalIgnoreCase) >= 0);
+
+            return possibleColumns.Select(h => (int?)h.Item2).FirstOrDefault();
+        }
+    }
+}